Cats are generally good at expressing their needs, but sometimes it can be difficult to tell if they are hungry. Here are some common signs to look out for:

1. Meowing: Cats may meow more frequently or louder than usual if they are hungry.
2. Rubbing: If your cat is hungry, it may rub its head or body against you or objects in the house. This is a form of communication that cats use to show affection and seek attention.
3. Kneading: Cats may knead their paws on soft objects such as blankets or furniture if they are hungry. This behavior is often associated with being content, but it can also indicate that your cat is hungry.
4. Following you: If your cat follows you around the house, it may be trying to get your attention to let you know that it is hungry.
5. Pacing: If your cat is hungry, it may pace back and forth, often meowing at the same time.
6. Increased activity: If your cat is hungry, it may become more active and playful. This could include playing with toys, jumping and running, or stalking its prey.
7. Changes in appetite: If your cat stops eating or significantly decreases its food intake, it may be hungry. Additionally, if your cat begins to beg for food more frequently or at odd hours, it could also indicate that it is hungry.

It is important to remember that hunger is just one possible explanation for these behaviors. If your cat is exhibiting any of these signs, it is important to rule out any underlying health problems by visiting a veterinarian.

In order to ensure that your cat is properly fed, it is recommended to provide regular meals at set times each day. You should also provide fresh water and monitor your cat’s food intake to make sure it is eating enough. Additionally, it may be helpful to talk to your veterinarian about the best type of food for your cat’s age, weight, and health condition.

Overall, by paying attention to your cat’s behavior and body language, you can get a good understanding of its hunger levels and make sure that it is well-fed and happy.